25082378 has 8 divisors (see below), whose sum is σ = 39836772. Its totient is φ = 11803456.

The previous prime is 25082377. The next prime is 25082381. The reversal of 25082378 is 87328052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24730729 + 351649 = 4973^2 + 593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25082378² = 1258251372269768, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25082377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368825 + ... + 368892.

Almost surely, 2^25082378 is an apocalyptic number.

25082378 is a deficient number, since it is larger than the sum of its proper divisors (14754394).

25082378 is a wasteful number, since it uses less digits than its factorization.

25082378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737736.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25082378 is about 5008.2310250227. The cubic root of 25082378 is about 292.7225880161.

It can be divided in two parts, 250 and 82378, that added together give a palindrome (82628).

The spelling of 25082378 in words is "twenty-five million, eighty-two thousand, three hundred seventy-eight".